This book is intended for the astute commercial herb grower who wants a deep understanding of the harvesting, drying and processing steps. Rigorously rooted in the science and engineering of crop processing, this book does an excellent job of taking out the guesswork that growers often find themselves facing. At every step the book emphasizes the machinery used to improve efficiency and quality. The detail is much greater than in any other source. No serious commercial herb grower should be without this book.